For High-Frequency Trading company:

Building a suite of 15+ web applications for a high-frequency trading platform — from real-time data visualization to system configuration and risk management.

Data Visualization:

• High-performance WebGL charting engine rendering tens of millions of data points at 60fps with GPU-accelerated pan/zoom, scalable from years down to nanoseconds
• Interactive dashboards with large-scale tables (millions of rows) and real-time data streaming via WebSocket
• Backtesting environment for analyzing trading robot performance on historical data

Trading Operations UI:

• Trading server management — configuration of accounts, instruments, robots, and risk limits across multiple exchanges
• Balance and position monitoring across all exchanges with risk configuration and rebalancing rules
• Middle Office application for Risk Management, PnL tracking, and trade corrections
• Trading statistics analysis and comprehensive report generation

Frontend Platform Infrastructure:

• Static Frontend, a BFF (Backend For Frontend) layer, and a variety of Node.js services communicating over a custom WebSocket protocol and gRPC (HTTP/2)

Development of DB Autobahn Web Application

Responsibilities:

• Develop and maintain a business-critical web application, focusing on high-profit trading
• Ensure seamless operation and top-quality functionality for users

Achievements:

• Built 5+ order entry apps for different trade types on the Autobahn platform; maintained flagship trading and active order monitoring products
• Revamped and modernized several legacy applications
• Developed a shared UI controls library used across all Autobahn applications — trading calendar with business day rules, sliding tenor support (TOM, TOD, SPOT), natural language date input (e.g. "tom 10am"), financial data input fields, layout components, and a wide range of other controls. The library was built following BEM principles, ensuring maintainable, scalable, and reusable code.
• Designed and proposed a page-description-based testing framework with server response replay, enabling 100% business functionality coverage.
• Implemented interaction patterns and performance optimizations, achieving sub-second application startup times — ensuring instant loading regardless of network conditions, even on the weakest VDI setups.
• Investigated and resolved production incidents

Development of Internal-Use CRM Software for Raymond-James customer

Responsibilities:

• Develop and maintain a web-based CRM system to streamline internal processes
• Collaborate with cross-functional teams to ensure seamless integration and efficient functionality of the application

Achievements:

• Built core CRM modules: visual workflow editor for customizable task pipelines, email template management system, contact and deal management views, activity timeline, and role-based access controls
• Integrated the CRM with customer's existing infrastructure — email delivery services, internal directories, and notification systems — delivering a seamless migration from legacy tools

Angular 2 E-commerce Pre-sale Web Application Developer

Project Description:

Proof-of-concept Angular 2 e-commerce platform for a GridDynamics client. Three components: a customer-facing online store, an analytics platform for inventory and sales performance, and an administration panel.

Achievements:

• Developed the e-commerce application from the ground up
• Delivered a proof-of-concept demonstrating the viability of a comprehensive Angular 2-based platform

Contact Center Portal Development Lead

Project Description:

Comprehensive Contact Center Portal — the central hub for managing all customer interactions (calls, emails, main-site requests). Featured unique dashboards for managers and operators: manager dashboard for monitoring operators, service quality, growth planning and strategic routing; operator dashboard for efficient call/email processing with customer history, template responses and internal forwarding.

Responsibilities:

• Team leadership and management
• Full-stack software development
• Software architecture and design

Achievements:

• Developed a ground-breaking Contact Center Portal from scratch that integrated customer requests in a single place
• The Contact Center was recognized as the "Achievement of the Year 2016", significantly improving response times and overall service quality

Geospatial Data Analyst and Developer at Yandex.Maps

Project Description:

Analysis, processing, and rendering of geospatial data for Yandex.Maps. Developed applications assisting cartographers in adding and editing map features (houses, roads) from satellite imagery, aerial photographs, and panoramic pictures, plus error detection in supplier or self-generated data.

Achievements:

• Developed cartographic tools for geospatial data analysis, processing, and rendering on Yandex.Maps using satellite imagery and panoramic pictures

Agricultural Data Management Web Application Developer

Project Description:

Web Silverlight application automating daily farmer tasks and processing data from farms across the country. Included monitoring of animal feeding, health care, production control, and output volume tracking.

Achievements:

• Developed domain-specific modules: animal health monitoring, veterinary visit tracking, milk quality control, and production output tracking
• Built a shared UI control library (dozens of components) adopted across the platform — buttons, input fields, forms, collapsible accordion cards and more

Telecommunications Software Developer for Cellular Operators

Project Description:

Information systems and technologies for cellular operators — payment processing, traffic management, tariff plan creation, communication equipment handling, and traffic delivery between users. Clients included MTS, Vodafone Czech Republic and other leading operators.

Achievements:

• Developed innovative services for cellular operators — monitoring, billing and charging customer traffic for calls, GPRS, SMS/MMS, and USSD

Web CMS Developer for Corporate Site Management

Project Description:

Internal-use Web Content Management System for controlling and managing content of corporate websites, plus APIs for other travel companies to integrate.

Achievements:

• Implemented new features and functionalities that improved the user experience and streamlined the content management process in the CMS

Web Interface Developer for 1C:Enterprise Applications

Project Description:

Web interfaces for existing applications within the 1C:Enterprise system — a popular Russian platform for automating financial and operational activities. These interfaces enabled remote editing and processing of data via internet / intranet.

Achievements:

• Developed several web interfaces for 1C:Enterprise applications, enhancing user experience and facilitating remote access for data management

Freelance Software Developer and Web Designer

Provided freelance development and web design services to companies such as Antares Software, Promogroup, Hansa Consulting, and individual clients.

Achievements:

• For Antares Software:
  • Developed Cetris game for the C Pen 600C Handheld Scanner
  • Windows CE device games
  • File system for Windows games
• For Promogroup:
  • Gazinvest Bank web site
  • ID Cards web site
• For Hansa Consulting:
  • Implemented a content filtering HTTP proxy to enhance network security
• For individual clients — designed and developed various websites and standalone applications tailored to their needs